<section>
  <blockquote>blockquote</blockquote>
  <body>body</body>
  <details>details</details>
  <dialog>dialog</dialog>
  <fieldset>fieldset</fieldset>
  <figure>figure</figure>
  <cmc-table>
    <td>td1</td>
    <td><h2>in table</h2></td>
    <td><div>td2</div></td>
    <td><fieldset>f</fieldset></td>
    <td>td3</td>
  </cmc-table>
  <hgroup>
    <a/>
    <h1>1</h1>
    <h2>2</h2>
    <div/>
    <h3>3</h3>
    <h4>4</h4>
  </hgroup>
</section>